Packet Filters

LFF-e.jpg

* A low frequencies filter is intended for generation of TV program packets in the CATV distribution network
* Metal case
* F-type connectors


12_6-e.png

12_2-e.png

fc and fz changes in the +5...+500С temperature range relative to fc are not more than 0,1%, filter dimensions:
       fig.1 - 60x50x15mm;
       fig.2 - 100x30x25 mm;
       fig.3,4 - 100x45x25 mm;
       fig.5 - 140x30x25 mm;
       fig.6 - 140x45x25mm.

Filter Generalized Table

(fc is a frequency cut-off according to a 2dB level; fz is a frequency beginning from which a 45dB and higher attenuation is provided. Frequencies fc and fz may have other values)

Filter type fc, MHz fz, MHz Attenuation in clarity band, dB, not higher Attenuation in bypass channel, dB, not higher The appearence, fig. Price, nominal dollars
LFF-100
LFF-100-1
LFF-182
LFF-182-1
LFF-230
LFF-230-1
LFF-246
LFF-246-1
LFF-438
LFF-438-1
LFF-534
LFF-534-1
LFF-630
LFF-630-1
LFF-710
LFF-710-1		 100
100
182
182
230
230
246
246
438
438
534
534
630
630
710
710		 126
126
191
191
239
239
263
263
470
470
566
566
662
662
742
742		 1
4
3
7
3
7
3
7
3
7
3
7
3
7
3
7		 -
3,5
-
4
-
4
-
4
-
4
-
5
-
5
-
5		 1
1
2,3
4
2,3
4
2,3
4
2,3
4
5
6
5
6
5
6 		3.0
3.5
6.0
6.6
6.0
6.6
5.0
5.5
5.5
6.0
8.0
9.0
8.0
9.0
8.0
9.0